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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2012-2018 DreamWorks Animation LLC
//
// All rights reserved. This software is distributed under the
// Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
//
// Redistributions of source code must retain the above copyright
// and license notice and the following restrictions and disclaimer.
//
// * Neither the name of DreamWorks Animation nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// IN NO EVENT SHALL THE COPYRIGHT HOLDERS' AND CONTRIBUTORS' AGGREGATE
// LIABILITY FOR ALL CLAIMS REGARDLESS OF THEIR BASIS EXCEED US$250.00.
//
///////////////////////////////////////////////////////////////////////////
#include <cppunit/extensions/HelperMacros.h>
#include <limits>
#include <openvdb/openvdb.h>
#include <openvdb/Exceptions.h>
#include <openvdb/math/Math.h>
#include <openvdb/math/Stats.h>
#include <openvdb/tools/Diagnostics.h>
#include <openvdb/tools/Statistics.h>
#include <openvdb/tools/LevelSetSphere.h>
#include <openvdb/tools/LevelSetUtil.h>
class TestDiagnostics: public CppUnit::TestCase
{
public:
CPPUNIT_TEST_SUITE(TestDiagnostics);
CPPUNIT_TEST(testCheck);
CPPUNIT_TEST(testDiagnose);
CPPUNIT_TEST(testCheckLevelSet);
CPPUNIT_TEST(testCheckFogVolume);
CPPUNIT_TEST(testUniqueInactiveValues);
CPPUNIT_TEST_SUITE_END();
void testCheck();
void testDiagnose();
void testCheckLevelSet();
void testCheckFogVolume();
void testUniqueInactiveValues();
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestDiagnostics);
////////////////////////////////////////
void
TestDiagnostics::testCheck()
{
const float val = 1.0f;
const float nan = std::numeric_limits<float>::quiet_NaN();
const float inf1= std::numeric_limits<float>::infinity();
const openvdb::math::Vec3<float> inf2(val, inf1, val);
{//test CheckNan
openvdb::tools::CheckNan<openvdb::FloatGrid> c;
CPPUNIT_ASSERT(!c(val));
CPPUNIT_ASSERT( c(nan));
CPPUNIT_ASSERT( c(nan));
CPPUNIT_ASSERT(!c(inf1));
CPPUNIT_ASSERT(!c(inf2));
}
{//test CheckInf
openvdb::tools::CheckInf<openvdb::FloatGrid> c;
CPPUNIT_ASSERT(!c(val));
CPPUNIT_ASSERT(!c(nan));
CPPUNIT_ASSERT(!c(nan));
CPPUNIT_ASSERT( c(inf1));
CPPUNIT_ASSERT( c(inf2));
}
{//test CheckFinite
openvdb::tools::CheckFinite<openvdb::FloatGrid> c;
CPPUNIT_ASSERT(!c(val));
CPPUNIT_ASSERT( c(nan));
CPPUNIT_ASSERT( c(nan));
CPPUNIT_ASSERT( c(inf1));
CPPUNIT_ASSERT( c(inf2));
}
{//test CheckMin
openvdb::tools::CheckMin<openvdb::FloatGrid> c(0.0f);
CPPUNIT_ASSERT(!c( 0.5f));
CPPUNIT_ASSERT(!c( 0.0f));
CPPUNIT_ASSERT(!c( 1.0f));
CPPUNIT_ASSERT(!c( 1.1f));
CPPUNIT_ASSERT( c(-0.1f));
}
{//test CheckMax
openvdb::tools::CheckMax<openvdb::FloatGrid> c(0.0f);
CPPUNIT_ASSERT( c( 0.5f));
CPPUNIT_ASSERT(!c( 0.0f));
CPPUNIT_ASSERT( c( 1.0f));
CPPUNIT_ASSERT( c( 1.1f));
CPPUNIT_ASSERT(!c(-0.1f));
}
{//test CheckRange
// first check throw on construction from an invalid range
CPPUNIT_ASSERT_THROW(openvdb::tools::CheckRange<openvdb::FloatGrid> c(1.0f, 0.0f),
openvdb::ValueError);
openvdb::tools::CheckRange<openvdb::FloatGrid> c(0.0f, 1.0f);
CPPUNIT_ASSERT(!c(0.5f));
CPPUNIT_ASSERT(!c(0.0f));
CPPUNIT_ASSERT(!c(1.0f));
CPPUNIT_ASSERT( c(1.1f));
CPPUNIT_ASSERT(c(-0.1f));
}
}//testCheck
void
TestDiagnostics::testDiagnose()
{
using namespace openvdb;
const float val = 1.0f;
const float nan = std::numeric_limits<float>::quiet_NaN();
const float inf = std::numeric_limits<float>::infinity();
{//empty grid
FloatGrid grid;
tools::Diagnose<FloatGrid> d(grid);
tools::CheckNan<FloatGrid> c;
std::string str = d.check(c);
//std::cerr << "Empty grid:\n" << str;
CPPUNIT_ASSERT_EQUAL(std::string(), str);
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{//non-empty grid
FloatGrid grid;
grid.tree().setValue(Coord(-1,3,6), val);
tools::Diagnose<FloatGrid> d(grid);
tools::CheckNan<FloatGrid> c;
std::string str = d.check(c);
//std::cerr << "Non-Empty grid:\n" << str;
CPPUNIT_ASSERT_EQUAL(std::string(), str);
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{//nan grid
FloatGrid grid;
grid.tree().setValue(Coord(-1,3,6), nan);
tools::Diagnose<FloatGrid> d(grid);
tools::CheckNan<FloatGrid> c;
std::string str = d.check(c);
//std::cerr << "NaN grid:\n" << str;
CPPUNIT_ASSERT(!str.empty());
CPPUNIT_ASSERT_EQUAL(1, int(d.failureCount()));
}
{//nan and infinite grid
FloatGrid grid;
grid.tree().setValue(Coord(-1,3,6), nan);
grid.tree().setValue(Coord(10,30,60), inf);
tools::Diagnose<FloatGrid> d(grid);
tools::CheckFinite<FloatGrid> c;
std::string str = d.check(c);
//std::cerr << "Not Finite grid:\n" << str;
CPPUNIT_ASSERT(!str.empty());
CPPUNIT_ASSERT_EQUAL(2, int(d.failureCount()));
}
{//out-of-range grid
FloatGrid grid(10.0f);
grid.tree().setValue(Coord(-1,3,6), 1.0f);
grid.tree().setValue(Coord(10,30,60), 1.5);
grid.tree().fill(math::CoordBBox::createCube(math::Coord(0),8), 20.0f, true);
tools::Diagnose<FloatGrid> d(grid);
tools::CheckRange<FloatGrid> c(0.0f, 1.0f);
std::string str = d.check(c);
//std::cerr << "out-of-range grid:\n" << str;
CPPUNIT_ASSERT(!str.empty());
CPPUNIT_ASSERT_EQUAL(3, int(d.failureCount()));
}
const float radius = 4.3f;
const openvdb::Vec3f center(15.8f, 13.2f, 16.7f);
const float voxelSize = 0.1f, width = 2.0f, gamma=voxelSize*width;
FloatGrid::Ptr gridSphere =
tools::createLevelSetSphere<FloatGrid>(radius, center, voxelSize, width);
//gridSphere->print(std::cerr, 2);
{// Check min/max of active values
math::Extrema ex = tools::extrema(gridSphere->cbeginValueOn());
//std::cerr << "Min = " << ex.min() << " max = " << ex.max() << std::endl;
CPPUNIT_ASSERT(ex.min() > -voxelSize*width);
CPPUNIT_ASSERT(ex.max() < voxelSize*width);
}
{// Check min/max of all values
math::Extrema ex = tools::extrema(gridSphere->cbeginValueAll());
//std::cerr << "Min = " << ex.min() << " max = " << ex.max() << std::endl;
CPPUNIT_ASSERT(ex.min() >= -voxelSize*width);
CPPUNIT_ASSERT(ex.max() <= voxelSize*width);
}
{// check range of all values in a sphere w/o mask
tools::CheckRange<FloatGrid, true, true, FloatGrid::ValueAllCIter> c(-gamma, gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c);
//std::cerr << "Values out of range:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check range of on values in a sphere w/o mask
tools::CheckRange<FloatGrid, true, true, FloatGrid::ValueOnCIter> c(-gamma, gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c);
//std::cerr << "Values out of range:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check range of off tiles in a sphere w/o mask
tools::CheckRange<FloatGrid, true, true, FloatGrid::ValueOffCIter> c(-gamma, gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
{// check off tile iterator
FloatGrid::ValueOffCIter i(gridSphere->tree());
i.setMaxDepth(FloatGrid::ValueOffCIter::LEAF_DEPTH - 1);
for (; i; ++i) CPPUNIT_ASSERT( math::Abs(*i) <= gamma);
}
std::string str = d.check(c);
//std::cerr << "Values out of range:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check range of sphere w/o mask
tools::CheckRange<FloatGrid> c(0.0f, gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c);
//std::cerr << "Values out of range:\n" << str;
CPPUNIT_ASSERT(!str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT(d.failureCount() < gridSphere->activeVoxelCount());
}
{// check range of sphere w mask
tools::CheckRange<FloatGrid> c(0.0f, gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c, true);
//std::cerr << "Values out of range:\n" << str;
CPPUNIT_ASSERT(!str.empty());
CPPUNIT_ASSERT_EQUAL(d.valueCount(), d.valueCount());
CPPUNIT_ASSERT(d.failureCount() < gridSphere->activeVoxelCount());
}
{// check min of sphere w/o mask
tools::CheckMin<FloatGrid> c(-gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c);
//std::cerr << "Min values:\n" << str;
CPPUNIT_ASSERT_EQUAL(std::string(), str);
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check max of sphere w/o mask
tools::CheckMax<FloatGrid> c(gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c);
//std::cerr << "MAX values:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check norm of gradient of sphere w/o mask
tools::CheckEikonal<FloatGrid> c(*gridSphere, 0.97f, 1.03f);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c, false, true, false, false);
//std::cerr << "NormGrad:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check norm of gradient of sphere w/o mask
tools::CheckNormGrad<FloatGrid> c(*gridSphere, 0.75f, 1.25f);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c, false, true, false, false);
//std::cerr << "NormGrad:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
{// check inactive values
tools::CheckMagnitude<FloatGrid, FloatGrid::ValueOffCIter> c(gamma);
tools::Diagnose<FloatGrid> d(*gridSphere);
std::string str = d.check(c);
//std::cerr << "Magnitude:\n" << str;
CPPUNIT_ASSERT(str.empty());
CPPUNIT_ASSERT_EQUAL(0, int(d.valueCount()));
CPPUNIT_ASSERT_EQUAL(0, int(d.failureCount()));
}
}// testDiagnose
void
TestDiagnostics::testCheckLevelSet()
{
using namespace openvdb;
const float radius = 4.3f;
const Vec3f center(15.8f, 13.2f, 16.7f);
const float voxelSize = 0.1f, width = LEVEL_SET_HALF_WIDTH;
FloatGrid::Ptr grid =
tools::createLevelSetSphere<FloatGrid>(radius, center, voxelSize, width);
//tools::CheckLevelSet<FloatGrid> c(*grid);
//std::string str = c.check();
std::string str = tools::checkLevelSet(*grid);
CPPUNIT_ASSERT(str.empty());
//std::cerr << "\n" << str << std::endl;
grid->tree().setValue(Coord(0,0,0), voxelSize*(width+0.5f));
//str = c.check();
str = tools::checkLevelSet(*grid);
CPPUNIT_ASSERT(!str.empty());
//std::cerr << "\n" << str << std::endl;
//str = c.check(6);
str = tools::checkLevelSet(*grid, 6);
CPPUNIT_ASSERT(str.empty());
}// testCheckLevelSet
void
TestDiagnostics::testCheckFogVolume()
{
using namespace openvdb;
const float radius = 4.3f;
const Vec3f center(15.8f, 13.2f, 16.7f);
const float voxelSize = 0.1f, width = LEVEL_SET_HALF_WIDTH;
FloatGrid::Ptr grid =
tools::createLevelSetSphere<FloatGrid>(radius, center, voxelSize, width);
tools::sdfToFogVolume(*grid);
//tools::CheckFogVolume<FloatGrid> c(*grid);
//std::string str = c.check();
std::string str = tools::checkFogVolume(*grid);
CPPUNIT_ASSERT(str.empty());
//std::cerr << "\n" << str << std::endl;
grid->tree().setValue(Coord(0,0,0), 1.5f);
//str = c.check();
str = tools::checkFogVolume(*grid);
CPPUNIT_ASSERT(!str.empty());
//std::cerr << "\n" << str << std::endl;
str = tools::checkFogVolume(*grid, 5);
//str = c.check(5);
CPPUNIT_ASSERT(str.empty());
}// testCheckFogVolume
void
TestDiagnostics::testUniqueInactiveValues()
{
openvdb::FloatGrid grid;
grid.tree().setValueOff(openvdb::Coord(0,0,0), -1);
grid.tree().setValueOff(openvdb::Coord(0,0,1), -2);
grid.tree().setValueOff(openvdb::Coord(0,1,0), -3);
grid.tree().setValue(openvdb::Coord(1,0,0), 1);
std::vector<float> values;
CPPUNIT_ASSERT(openvdb::tools::uniqueInactiveValues(grid, values, 4));
CPPUNIT_ASSERT_EQUAL(4, int(values.size()));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[0], -3.0f));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[1], -2.0f));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[2], -1.0f));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[3], 0.0f));
// test with level set sphere
const float radius = 4.3f;
const openvdb::Vec3f center(15.8f, 13.2f, 16.7f);
const float voxelSize = 0.5f, width = 2.0f;
openvdb::FloatGrid::Ptr gridSphere =
openvdb::tools::createLevelSetSphere<openvdb::FloatGrid>(radius, center, voxelSize, width);
CPPUNIT_ASSERT(openvdb::tools::uniqueInactiveValues(*gridSphere.get(), values, 2));
CPPUNIT_ASSERT_EQUAL(2, int(values.size()));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[0], -voxelSize * width));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[1], voxelSize * width));
// test with fog volume
openvdb::tools::sdfToFogVolume(*gridSphere);
CPPUNIT_ASSERT(openvdb::tools::uniqueInactiveValues(*gridSphere.get(), values, 1));
CPPUNIT_ASSERT_EQUAL(1, int(values.size()));
CPPUNIT_ASSERT(openvdb::math::isApproxEqual(values[0], 0.0f));
}
// Copyright (c) 2012-2018 DreamWorks Animation LLC
// All rights reserved. This software is distributed under the
// Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
|
